Attachment clamp



FIG. 1 is a perspective view of an attachment clamp showing my new design;

FIG. 2 is a front elevational view thereof, the rear being identical and the bolt and nuts being shown in broken lines for illustrative purposes only;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, both sides being identical;

FIG. 5 is a top plan view thereof;

FIG. 6 is a perspective view of a second embodiment of the design of FIG. 1;

FIG. 7 is a front elevational view of FIG. 6, the rear being identical and the bolt and nuts being shown in broken lines for illustrative purposes only;

FIG 8 is a bottom plan view of FIG. 6;

FIG. 9 is a side elevational view of FIG. 6, both sides being identical; and,

FIG. 10 is a bottom plan view of FIG. 6. 

The ornamental design for an attachment clamp, as shown. 